pre-filter turn restrictions for validity

2017-07-19 14:21:11 +02:00
parent 2e9a7d9c1a
commit b1809d1667
4 changed files with 116 additions and 7 deletions
@@ -0,0 +1,23 @@
+#ifndef OSRM_EXTRACTOR_RESTRICTION_FILTER_HPP_
+#define OSRM_EXTRACTOR_RESTRICTION_FILTER_HPP_
+
+#include "extractor/restriction.hpp"
+#include "util/node_based_graph.hpp"
+
+#include <vector>
+
+namespace osrm
+{
+namespace extractor
+{
+
+// To avoid handling invalid restrictions / creating unnecessary duplicate nodes for via-ways, we do
+// a pre-flight check for restrictions and remove all invalid restrictions from the data. Use as
+// `restrictions = removeInvalidRestrictions(std::move(restrictions))`
+std::vector<TurnRestriction> removeInvalidRestrictions(std::vector<TurnRestriction>,
+                                                       const util::NodeBasedDynamicGraph &);
+
+} // namespace extractor
+} // namespace osrm
+
+#endif // OSRM_EXTRACTOR_RESTRICTION_FILTER_HPP_